Crime Series, Vol 3 - The Tec-9

Published on February 23, 2020
Duration: 14:55

This video provides a detailed overview of the Intratec Tec-9 pistol, covering its design origins, technical specifications, and notorious history. The presenter, with experience in crime labs, discusses its evolution from the open-bolt MP-9 to the closed-bolt Tec-9, its manufacturing issues, and its association with criminal activity and high-profile mass shootings. The video also includes a partial disassembly, highlighting common failure points like broken firing pins and the quality of its polymer construction.

Quick Summary

The Intratec Tec-9, originally designed for law enforcement and military, was modified to a closed-bolt system by the ATF due to concerns about easy conversion to full-auto fire. Despite this, it remained relatively easy to convert and suffered from sketchy reliability, common issues including broken firing pins and unreliable high-capacity magazines.

Chapters

  1. 01:21Introduction to the Tec-9
  2. 01:36Design Origins: MP-9 to Tec-9
  3. 01:55Open Bolt vs. Closed Bolt Design
  4. 02:27Crime Lab Experiences with Tec-9s
  5. 03:02The KG-99 and ATF Approval
  6. 03:13Ammunition and Frame Issues
  7. 03:30Impact of Assault Weapon Bans
  8. 03:50Production Numbers and Hollywood Lore
  9. 03:58Technical Specifications: Weight, Barrel Length
  10. 04:06Caliber and Operating System
  11. 04:17Magazine Capacity and Reliability
  12. 04:31Crime Use and Serial Number Removal
  13. 04:57Ammunition in Crime Labs
  14. 05:19101 California Street Shooting
  15. 05:48Columbine Massacre Connection
  16. 05:58Post-Ban Modifications: AB-10
  17. 06:36Bans and Legal Challenges
  18. 06:40Cosmetic Features vs. Functionality
  19. 07:05Build Quality and Reputation
  20. 07:23Suppressibility and Magazine Potential
  21. 07:35Hollywood Influence on Perception
  22. 08:03Disassembly: Taking it Apart
  23. 08:22Common Failure Points: Firing Pins
  24. 08:44Frame Design and Polymer Quality
  25. 09:04Internal Components: Recoil Spring, Bolt
  26. 10:04Firing Pin Mechanism Details
  27. 10:45Bolt Face and Offensive Features
  28. 11:07Reassembly Process
  29. 12:29Test Firing and Accuracy
  30. 13:15Reliability Assessment
  31. 13:23Popularity in Crime and Hollywood
  32. 13:33Perception vs. Reality: Danger Level
  33. 14:02Original Design Intent vs. Outcome
  34. 14:14Company's Success and Problems
  35. 14:23Columbine's Impact on Reputation
  36. 14:50Conclusion and Call to Action

Frequently Asked Questions

What was the original design intent of the Intratec Tec-9?

The Intratec Tec-9 was originally designed as the MP-9 by Intratec for the law enforcement and military market. It was intended to be a cheap, easy-to-manufacture polymer-framed pistol.

Why was the Intratec Tec-9's design changed from open-bolt to closed-bolt?

The ATF required the design to be changed from open-bolt to closed-bolt because the open-bolt configuration made it too easy to convert the Tec-9 to fully automatic fire, which was a significant concern for law enforcement.

What were common reliability and quality issues with the Intratec Tec-9?

The Tec-9 was known for its sketchy reliability and low-quality construction. Common issues included broken firing pins, depots falling out of the polymer frame, and the larger capacity magazines (like 72-round drums) being unreliable.

How did the Assault Weapons Ban affect the Intratec Tec-9?

The 1994 Assault Weapons Ban led to modifications for compliance, resulting in models like the AB-10 (After Ban 10). These changes often involved the barrel shroud, threading, and sling mounts to remove features deemed 'offensive'.

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